The scientific classification of Ladyfern and Petunia includes the entire classification chart that includes kingdom, family, clade, tribe etc. A kingdom is the second highest taxonomic rank. A taxonomic rank is the level that a living organisms are placed in hierarchical level of arrangement of life forms. All the living organisms are divided into kingdoms. Plant kingdom is a main classification of living organisms that include all plants. There are six kingdoms which are: Plantae, Animalia, Fungi, Protista, Aschaea/Archaeabacteria and Bacteria Eubacteria. Ladyfern and Petunia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Ladyfern and Petunia family is a major factor of Ladyfern and Petunia Scientific Classification. Plant family helps you narrow the search of your plants. It also gives you idea about, how the plant looks, how the seed will be like etc. These two plant families can be different or same. Ladyfern belongs to the family Dryopteridaceae and Petunia belongs to the family Solanaceae.
While comparing scientific classification, Ladyfern and Petunia genus and other classification are also important. Also, when you compare Ladyfern and Petunia, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Athyrium and other plant's genus is Petunia. Ladyfern tribe is Physematieae and Petunia tribe is Not Available. Ladyfern clade is Angiosperms and Eudicots and order is Polypodiales whereas Petunia clade is Angiosperms, Asterids and Eudicots and order is Solanales. Every plant have subfamilies. Ladyfern subfamilies are, Not Available and Petunia subfamilies are Petunioideae. In this way you can compare scientific classification of Ladyfern and Petunia and other products also.